Tandem draft connection for harvesters.



P. S. THBRBNS. TANDEM DRAFT ooum c'non FOR HARVESTERS.

APPLIGATION FILED APR 17, L911.

Patented Oct. 31, 1911.

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"TANDEM DRAFT CONNECTION FOR HAHVESTERS.

APYLH ATION FILED APR NU Patented Oct. 31. 1911.

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INTEItNA- 1mm:- s. runners. or REGINA, SASKATCHEWAN, CANADA. nssren'on 'ro TIONAL nnnvnsrnn COMPANY. A CORPORATION or new JERSEY.

TANDEM DRAFT OONKEC'II'ON FOR HARVESTERS.

1,007,254. Specification of Letters Patent.

Patented ()ct'31, 1911.

1 an end elevation. of Fig.

Application flied April 17, 1911.

Serial No. 621,458.

To all whom 'it may concern: 7

Be it known that 1, PAUL S. THEREJNS, a subject of the King of Great Britain, residin at Regina, in the county of Regina and %rovince of Saskatchewan. Dominion of Canada, have invented certain new end useful Improvements in 'lnndem Draft Connections for Harvesters, of, which the fol lowing is a specification.

My invention relates to an improved draft device whereby a. series of grain harvesters or other implements may be connected together in tandem relation and drnwn'forword by a single source of power, as a tree tion en ine connected. with the front machine 0 the series, and consists in providing draft connections between the separate harvesters and between the series and the source of power that may be-mnnipuluted in it mannor to control the line of advance of one machine independent of the others in it manner whereby a greater or less width of swath may be cut by either unit of the series, the object of-my invention being to provide a draft connection that may be adjusted in a manner to control the line of advance of the machines, and one wherein the draft up pliencesare so arranged than. J'aflli unit of the tandem series is drawn by the engine in a manner that, places a mininnnn strain upon the frames of the dilierent units, a construction including few parts nod strong and ellicient in operation. I attain these objects by means oi. the mechanism illustrated by the accompanying drawings, in which-- Figure 1 is a top plan view (if past of a grain harvester wheel frame and grain platform having my lllilpl'OVGd-rllti'ft connection applied thereto; Fig. 2 is a side elevation of Fig. 1; .l ig. 3 is a. detached detail showing the tongue truck in side elevation; Fig. 4 is a detail drawing showing the manner of supporting the rear end of the reach her forming part of the draft devihe; Fig. 5 is 4; and Fig. 6 is a. View designed to show the manner of connecting two or more harvesters together in tandem relation and the manner of controlling their path of advance.

The same reference cl'iarecters designate like parts throughout. the several. views.

l rcpresents the traction wheel of at grain hurrosu-r. .3 the from frame member of the wheel frame and. 3 the roar member thereof,

a l l i l i i i and nected' with thowhecl frame in the usual manner; 5 represents the seat supporting pipe, and 6 part of a seat supporting spring having its lower end secured to the pipe.

7 represents a draft bracket secured to the front of the wheel frame of a harvester; 8 a stud tongue having its rear end flexibly connected with the draft bracket; 9 a caster wheel; 10 a stirrup having the caster wheel journaled at its lower end, and a vertically arranged stem portion 11 journaled in a bracket 12 secured to thefront end of the stub tongue; 13 a tongue brace having its forward end secured to the stub tongue and its rear end pivotally connected with a bracket 14 secured to the delivery end of the grain platform.

15 represents a draft tongue including upper and lower members 16 and 1?. respccwaril end pivotally connected with the lower end of the pin 18 and extending rearward and gruinwnrdunder the wheel frame is supported by a yoke member 225 secured to the rear member of the wheel frame of the harvester in a manner permitting it to -:u mg laterally relative to the line of draft of the machine, and 24 represents a series or" open lugs in the yoke and frame member that. may receive a pin 25 in a manner to limit a. swinging movement of the rear end of the reach bur, said bar being provided with an opening at its rear end whereby it.- nmy be attach d to another draft tongue of a. liarvestcr to be drawn in tandem relation.

26 represents a. draft controlling bar having its grainward end pivotully connected with the lower end of the stem 11 ot the caster wheel mechanism thatsupports the front end ofithe stub tongue, and extending stubhlr-ward is provided with a series oi openings 27 whereby its stubblewztrd end may b udjustably connected with the (lra ft tongue 15 by-means of a pin 28. The draft tongue may be adjusted laterally in a man- 4t represents the grain platform conthe rear end of the draft tongue, there are no destructive draft strains transmitted to the platforinsof the several harvesters, and I believe that l am the first to provide :a continuous flexible draft connection between a source of power and a series of harvesters drawn in tandem relation,

\Vhat I claim as my invention, and desire to secure by Letters Patent, is:

1.. A tandem draft connection for implements including, in combination, a stub tongue having means whereby its rear end may be pivotally connected with an implement and its forward end connected with a caster wheel mechanism, a draft tongue having its rear end pivotally connected with the rear end of said stub tongue in a, manner permitting it to swing laterally relative to the line of draft of the machirre, an adjustable connection between the fo ward end of said stub tongue and said (1' t tongue whereby the line of draft of the machine may be controlled, and a reach bar having its forward end pivotally connected with the rear end of said draft tongue and its rear end snpported by the rear side of the implement in a manner permitting it to swing laterally relative to the line of draft of the machine.

2. A tandem draft connection for imple ments including, in combination, a stub tongue having means whereby its rear end may be pivotally connected with an implement and its forward end connected with a caster wheel mechanism, a draft tongue having its rear end pivotally connected with [draft tongue, and a reach bar having its 1 forward end pivotally connected with the.

rear end of said draft tongue and its rear end supported by the rear side of the implement in a manner permitting it to swing laterally relative to the line of draft, and means operative to limit a swinging move ment thereof. l 3. A tandem draft connection for 1mplements including, in combination, a stub l tongue having means whereby its rear end t may be pivotally connected with an imple ment and its forward end connected with a caster wheel mechanism, a draft tongue having its rear end pivotally connected with the rear end of said stub tongueiin a manner permitting it to swing laterally relative to the line of draft of the machine, an adjustable connection between the forward end of said stub tongue and said draft tongue whereby the line of draft of the machine may be controlled, a reach bar having its forward end pivotally connected with the rear end of said draft tongue and its rear end supported by a depending yoke secur to the rear side of the implement in a manner whereby said bar may swing laterally 1 relative to the line of draft, said yoke being provided with means operative to limit a. swinging movement of said bar.

PAUL S. THERENS. Witnesses:

DOUGLAS 3'. Teen, F. W. l'lrrrneis'raa 

